Hexagonal numbers: n*(2*n-1).
0, 1, 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 276, 325, 378, 435, 496, 561, 630, 703
Index of A-numbers in seqfan: by ascending order
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12 seqfan posts
Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java
Wed Jul 28 20:25:39 CEST 2010 [seqfan] Re: Numbers n such that the decimal representation of n is contained as substring in that of the n-th pentagonal number.
Sat May 1 17:30:24 CEST 2010 [seqfan] Re: A possible list of new sequences
Sat May 1 15:12:55 CEST 2010 [seqfan] Re: A possible list of new sequences
Sat May 1 13:12:04 CEST 2010 [seqfan] A possible list of new sequences
Mon Apr 26 10:05:38 CEST 2010 [seqfan] Re: A (new) problem
Mon Apr 26 09:10:27 CEST 2010 [seqfan] Re: A (new) problem
Mon Apr 26 01:02:41 CEST 2010 [seqfan] Re: A (new) problem
Sun Apr 25 18:40:15 CEST 2010 [seqfan] Re: A (new) problem
Sun Apr 25 15:59:21 CEST 2010 [seqfan] A (new) problem
Tue Apr 21 23:36:56 CEST 2009 [seqfan] comments about perfect numbers
Mon Jan 12 11:27:00 CET 2009 [seqfan] Re: Index of linear recurrences
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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